Abstract
We describe phase-matched stimulated four-photon mixing in single-mode fibers in the minimum-chromatic-dispersion region. Phase matching is achieved by using the refractive-index slope change and the guiding properties of the fundamental mode. Experimental results on large-shift (1600-cm(-1)) single-idler generation in single-mode fibers with 1.319-microm Nd:YAG laser pumping are presented.
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